1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <algorithm>
11 
12 // template<InputIterator InIter1, InputIterator InIter2, typename OutIter,
13 //          CopyConstructible Compare>
14 //   requires OutputIterator<OutIter, InIter1::reference>
15 //         && OutputIterator<OutIter, InIter2::reference>
16 //         && Predicate<Compare, InIter1::value_type, InIter2::value_type>
17 //         && Predicate<Compare, InIter2::value_type, InIter1::value_type>
18 //   OutIter
19 //   set_symmetric_difference(InIter1 first1, InIter1 last1,
20 //                            InIter2 first2, InIter2 last2,
21 //                            OutIter result, Compare comp);
22 
23 #include <algorithm>
24 #include <functional>
25 #include <cassert>
26 
27 #include "test_iterators.h"
28 
29 template <class Iter1, class Iter2, class OutIter>
30 void
31 test()
32 {
33     int ia[] = {1, 2, 2, 3, 3, 3, 4, 4, 4, 4};
34     const int sa = sizeof(ia)/sizeof(ia[0]);
35     int ib[] = {2, 4, 4, 6};
36     const int sb = sizeof(ib)/sizeof(ib[0]);
37     int ic[20];
38     int ir[] = {1, 2, 3, 3, 3, 4, 4, 6};
39     const int sr = sizeof(ir)/sizeof(ir[0]);
40     OutIter ce = std::set_symmetric_difference(Iter1(ia), Iter1(ia+sa),
41                                                Iter2(ib), Iter2(ib+sb),
42                                                OutIter(ic), std::less<int>());
43     assert(base(ce) - ic == sr);
44     assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0);
45     ce = std::set_symmetric_difference(Iter1(ib), Iter1(ib+sb),
46                                        Iter2(ia), Iter2(ia+sa),
47                                        OutIter(ic), std::less<int>());
48     assert(base(ce) - ic == sr);
49     assert(std::lexicographical_compare(ic, base(ce), ir, ir+sr) == 0);
50 }
51 
52 int main()
53 {
54     test<input_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
55     test<input_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
56     test<input_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
57     test<input_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
58     test<input_iterator<const int*>, input_iterator<const int*>, int*>();
59 
60     test<input_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
61     test<input_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
62     test<input_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
63     test<input_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
64     test<input_iterator<const int*>, forward_iterator<const int*>, int*>();
65 
66     test<input_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
67     test<input_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
68     test<input_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
69     test<input_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
70     test<input_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
71 
72     test<input_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
73     test<input_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
74     test<input_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
75     test<input_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
76     test<input_iterator<const int*>, random_access_iterator<const int*>, int*>();
77 
78     test<input_iterator<const int*>, const int*, output_iterator<int*> >();
79     test<input_iterator<const int*>, const int*, forward_iterator<int*> >();
80     test<input_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
81     test<input_iterator<const int*>, const int*, random_access_iterator<int*> >();
82     test<input_iterator<const int*>, const int*, int*>();
83 
84     test<forward_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
85     test<forward_iterator<const int*>, input_iterator<const int*>, forward_iterator<int*> >();
86     test<forward_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
87     test<forward_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
88     test<forward_iterator<const int*>, input_iterator<const int*>, int*>();
89 
90     test<forward_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
91     test<forward_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
92     test<forward_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
93     test<forward_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
94     test<forward_iterator<const int*>, forward_iterator<const int*>, int*>();
95 
96     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
97     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
98     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
99     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
100     test<forward_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
101 
102     test<forward_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
103     test<forward_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
104     test<forward_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
105     test<forward_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
106     test<forward_iterator<const int*>, random_access_iterator<const int*>, int*>();
107 
108     test<forward_iterator<const int*>, const int*, output_iterator<int*> >();
109     test<forward_iterator<const int*>, const int*, forward_iterator<int*> >();
110     test<forward_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
111     test<forward_iterator<const int*>, const int*, random_access_iterator<int*> >();
112     test<forward_iterator<const int*>, const int*, int*>();
113 
114     test<bidirectional_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
115     test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
116     test<bidirectional_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
117     test<bidirectional_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
118     test<bidirectional_iterator<const int*>, input_iterator<const int*>, int*>();
119 
120     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
121     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
122     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
123     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
124     test<bidirectional_iterator<const int*>, forward_iterator<const int*>, int*>();
125 
126     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
127     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
128     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
129     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
130     test<bidirectional_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
131 
132     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
133     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
134     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
135     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
136     test<bidirectional_iterator<const int*>, random_access_iterator<const int*>, int*>();
137 
138     test<bidirectional_iterator<const int*>, const int*, output_iterator<int*> >();
139     test<bidirectional_iterator<const int*>, const int*, forward_iterator<int*> >();
140     test<bidirectional_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
141     test<bidirectional_iterator<const int*>, const int*, random_access_iterator<int*> >();
142     test<bidirectional_iterator<const int*>, const int*, int*>();
143 
144     test<random_access_iterator<const int*>, input_iterator<const int*>, output_iterator<int*> >();
145     test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
146     test<random_access_iterator<const int*>, input_iterator<const int*>, bidirectional_iterator<int*> >();
147     test<random_access_iterator<const int*>, input_iterator<const int*>, random_access_iterator<int*> >();
148     test<random_access_iterator<const int*>, input_iterator<const int*>, int*>();
149 
150     test<random_access_iterator<const int*>, forward_iterator<const int*>, output_iterator<int*> >();
151     test<random_access_iterator<const int*>, forward_iterator<const int*>, forward_iterator<int*> >();
152     test<random_access_iterator<const int*>, forward_iterator<const int*>, bidirectional_iterator<int*> >();
153     test<random_access_iterator<const int*>, forward_iterator<const int*>, random_access_iterator<int*> >();
154     test<random_access_iterator<const int*>, forward_iterator<const int*>, int*>();
155 
156     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, output_iterator<int*> >();
157     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, forward_iterator<int*> >();
158     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
159     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
160     test<random_access_iterator<const int*>, bidirectional_iterator<const int*>, int*>();
161 
162     test<random_access_iterator<const int*>, random_access_iterator<const int*>, output_iterator<int*> >();
163     test<random_access_iterator<const int*>, random_access_iterator<const int*>, forward_iterator<int*> >();
164     test<random_access_iterator<const int*>, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
165     test<random_access_iterator<const int*>, random_access_iterator<const int*>, random_access_iterator<int*> >();
166     test<random_access_iterator<const int*>, random_access_iterator<const int*>, int*>();
167 
168     test<random_access_iterator<const int*>, const int*, output_iterator<int*> >();
169     test<random_access_iterator<const int*>, const int*, forward_iterator<int*> >();
170     test<random_access_iterator<const int*>, const int*, bidirectional_iterator<int*> >();
171     test<random_access_iterator<const int*>, const int*, random_access_iterator<int*> >();
172     test<random_access_iterator<const int*>, const int*, int*>();
173 
174     test<const int*, input_iterator<const int*>, output_iterator<int*> >();
175     test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >();
176     test<const int*, input_iterator<const int*>, bidirectional_iterator<int*> >();
177     test<const int*, input_iterator<const int*>, random_access_iterator<int*> >();
178     test<const int*, input_iterator<const int*>, int*>();
179 
180     test<const int*, forward_iterator<const int*>, output_iterator<int*> >();
181     test<const int*, forward_iterator<const int*>, forward_iterator<int*> >();
182     test<const int*, forward_iterator<const int*>, bidirectional_iterator<int*> >();
183     test<const int*, forward_iterator<const int*>, random_access_iterator<int*> >();
184     test<const int*, forward_iterator<const int*>, int*>();
185 
186     test<const int*, bidirectional_iterator<const int*>, output_iterator<int*> >();
187     test<const int*, bidirectional_iterator<const int*>, forward_iterator<int*> >();
188     test<const int*, bidirectional_iterator<const int*>, bidirectional_iterator<int*> >();
189     test<const int*, bidirectional_iterator<const int*>, random_access_iterator<int*> >();
190     test<const int*, bidirectional_iterator<const int*>, int*>();
191 
192     test<const int*, random_access_iterator<const int*>, output_iterator<int*> >();
193     test<const int*, random_access_iterator<const int*>, forward_iterator<int*> >();
194     test<const int*, random_access_iterator<const int*>, bidirectional_iterator<int*> >();
195     test<const int*, random_access_iterator<const int*>, random_access_iterator<int*> >();
196     test<const int*, random_access_iterator<const int*>, int*>();
197 
198     test<const int*, const int*, output_iterator<int*> >();
199     test<const int*, const int*, forward_iterator<int*> >();
200     test<const int*, const int*, bidirectional_iterator<int*> >();
201     test<const int*, const int*, random_access_iterator<int*> >();
202     test<const int*, const int*, int*>();
203 }
204